Report No. 5:OT013
Poinsettia: Euphorbia pulcherrima 'Angelica White'
Pythium Root Rot: Pythium aphanidermatum

Efficacy of registered and unregistered fungicides for control of Pythium aphanidermatum on Poinsettia, 2010.

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First Author: K.C. Parker, NCSU

Additional Authors: D.M. Benson

Section: Ornamentals and Trees


Geographical location: North Carolina, United States

Products Tested: Adorn; CG 100; Disarm 480SC; Pageant 38WG; Fenstop; Heritage; Vital; Terrazole L

Active chemical(s): Fluopicolide; Caprylic acid; Fluoxastrobin; Boscalid + pyraclostrobin; Fenamidone; Azoxystrobin; Phosphorous acid; Etridiazole

Biological Control: BW240; Trichoderma harzianum Rifai strain KRL-AG2; Trichoderma virens strain G-41; Bioworks

Biorational Product:

Manufacturer(s): Valent USA Corporation; Summerdale; Olympic Horticultural Products; BASF Corporation; Bayer CropScience; Syngenta; Luxembourg Industries Ltd.; Olympic Horticultural Products

Publication date: March 28, 2011

The American Phytopathological Society